ML20066A711

Ro:On 821022,quality of Nonborated Water Inadvertently Injected Into RCS Caused Reactivity Insertion of 1.3% K/K. W/O Boration,Rcs Boron Concentration Returned to Near pre-event Level

ML20066A711
Person / Time
Site:	Calvert Cliffs
Issue date:	10/22/1982
From:	Russell L BALTIMORE GAS & ELECTRIC CO.
To:	Haynes R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
NUDOCS 8211060187
Download: ML20066A711 (1)

Text

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2 DESIGHMED CHICIHAI,

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C t.C C T Ft ! CDCCl@d tgp N Y M U ALTI MO R C G A G ANO rn non s4ye e a t ? s u t> n r u a n v t a pe u a s a o s I v a *=.e..e e,..u.m.n.e.c..a.n.v a s w r

.6 Laan ca.

(o v.

see e,m a. po as a e Octnher 22 1902 Mr. Ronald C.

Haynne. Director pocket

.N u. 50-310 U.

S.

Nucleeg H e r,te ps i t o ry (,;ovown j pa ge issyg Lic e n ew. Go. D I* -(

• z ')

Kenton 1 631 P a rit Ave-naan King of Prummia. PA 19406 i

s EUBJr.CT B.MR 82-49 linit 2 Osar Mr. Ilayneet Thim lutter to to conrfrm nur nut.111c a tion nr your Mz.

T' -st a h Arch *t-**

of a po us ssible u se plais an w d reactivity insertion nf van ca tnon O.s?. t4 %/r. ua October 22 1982 (T.G.

6.9.1.0.d).

A2 a p p ro m Lrien t er ly 0130 uns October 22 wis tle in Hade b w ith t i. -,

_9.w

<* r Coo l se n t S y s teen pa r t issily d ra inopel. 1e was d iesc ov e r a d tbnL e

<t t* :1, % 1 L'

• si

• *rs. ined-

'r-r, usa tsu r e t sed watser ( e ss e t ema t nd to bw le si s thnn in 3D 5.'ll j fsnd tsntly istj e-c ted laatu Llie Hemerne Cn n l an t. S v e t e"!.

• L k1 % ? a t arc a uP e 'ca -t -

water wa es a s t e e se s.s e-s sw e e t u r hyd rn1 n n inic of.e ra t ion.

Cornn em r a* ) c 4 1r li-CCte a stilntinn of inan than ur wquel rn 130 p r.% vhich eenntc% Lr o ressutivity insertion of (se e ennnt) 1.3E &K/ft.

TN reactor re-C nc4 n his t d own by mL least 22.0% durisir,this s w ee ss t..

All t'CA'a "cr*

L u ' l -*

1sserted and the fuel shuffle had one y e s.

.,ana n ot e d.

E**

I I.5 0.

• I t hni' t any burmtion, MUS boron onnc en t ra t iosa bed raturned te-n e a s; the Pt--

event les v e l.

A cuentsle t a de me rip t iums of Ebte event togettier with clie <* n u r: c asic et r r a c.-

t1va act.luss will be penvided in a to) low-up report.

Very truly yours.

w.1. FL.

L.

B.

Rueen11 p

Plant Supea rintwenden t I.H R / h ss g cca J.

A.

Tiernan I:"~ '

Direcenr. Offien of 79 m n a r,etwn t M.

..reait-c1 in f u ruus tiusa & Pror, ram Control 2..

L.

w n"li st.

1.. Wonderlich 1.".

L.

COW" e

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